Chickens, layers: Amount excreted in manure (N content) … square in Sao Tome and Principe

Sao Tome and Principe: Chickens, layers: Amount excreted in manure (N content) … square was 33.67 kg per square kilometre in 2023. ◆ Volatile

Latest (2023)
33.67 kg per square kilometre
Change on year
up 1.7%
World rank
81st
of 168 countries
All-time high
70.15 kg per square kilometre
in 2013
All-time low
10.1 kg per square kilometre
in 1961
Years of data
63
1961–2023

Chickens, layers — Amount excreted in manure (N content), per square in Sao Tome and Principe, 1961–2023

20406080196119922023

Source: Statizoid (derived). Measured in kg per square kilometre.

Analysis

Sao Tome and Principe recorded 33.67 kg per square kilometre for chickens, layers — amount excreted in manure (n content), per square in 2023.

The figure is up 1.7% on the previous year and down 52.0% over ten years.

Over the whole period, chickens, layers — amount excreted in manure (n content), per square in Sao Tome and Principe peaked at 70.15 kg per square kilometre in 2013 and was at its lowest, 10.1 kg per square kilometre, in 1961.

Sao Tome and Principe ranks 81st of 168 countries on this measure, in the middle of the range.

The series is highly variable year to year, so single readings are best treated with caution.

Chickens, layers: Amount excreted in manure (N content) … square in Sao Tome and Principe, year by year

Annual values for Chickens, layers — Amount excreted in manure (N content), per square kilometre in Sao Tome and Principe, 1961 to 2023.
Year kg per square kilometre Change
1961 10.1 kg per square kilometre —
1962 10.66 kg per square kilometre +5.6%
1963 11.22 kg per square kilometre +5.3%
1964 11.78 kg per square kilometre +5.0%
1965 12.35 kg per square kilometre +4.8%
1966 12.91 kg per square kilometre +4.5%
1967 13.47 kg per square kilometre +4.3%
1968 14.03 kg per square kilometre +4.2%
1969 14.59 kg per square kilometre +4.0%
1970 15.15 kg per square kilometre +3.8%
1971 15.71 kg per square kilometre +3.7%
1972 16.27 kg per square kilometre +3.6%
1973 16.84 kg per square kilometre +3.4%
1974 17.4 kg per square kilometre +3.3%
1975 17.96 kg per square kilometre +3.2%
1976 18.52 kg per square kilometre +3.1%
1977 19.08 kg per square kilometre +3.0%
1978 19.64 kg per square kilometre +2.9%
1979 20.2 kg per square kilometre +2.9%
1980 20.76 kg per square kilometre +2.8%
1981 21.33 kg per square kilometre +2.7%
1982 21.89 kg per square kilometre +2.6%
1983 22.45 kg per square kilometre +2.6%
1984 23.01 kg per square kilometre +2.5%
1985 23.57 kg per square kilometre +2.4%
1986 24.13 kg per square kilometre +2.4%
1987 24.13 kg per square kilometre +0.0%
1988 24.13 kg per square kilometre +0.0%
1989 25.25 kg per square kilometre +4.7%
1990 28.06 kg per square kilometre +11.1%
1991 30.87 kg per square kilometre +10.0%
1992 36.48 kg per square kilometre +18.2%
1993 39.28 kg per square kilometre +7.7%
1994 39.28 kg per square kilometre +0.0%
1995 30.87 kg per square kilometre -21.4%
1996 33.11 kg per square kilometre +7.3%
1997 35.35 kg per square kilometre +6.8%
1998 37.04 kg per square kilometre +4.8%
1999 43.77 kg per square kilometre +18.2%
2000 45.46 kg per square kilometre +3.8%
2001 47.14 kg per square kilometre +3.7%
2002 49.38 kg per square kilometre +4.8%
2003 51.63 kg per square kilometre +4.5%
2004 53.87 kg per square kilometre +4.3%
2005 55.56 kg per square kilometre +3.1%
2006 57.8 kg per square kilometre +4.0%
2007 57.8 kg per square kilometre +0.0%
2008 61.73 kg per square kilometre +6.8%
2009 67.9 kg per square kilometre +10.0%
2010 68.46 kg per square kilometre +0.8%
2011 69.03 kg per square kilometre +0.8%
2012 69.59 kg per square kilometre +0.8%
2013 70.15 kg per square kilometre +0.8%
2014 47.14 kg per square kilometre -32.8%
2015 47.7 kg per square kilometre +1.2%
2016 14.59 kg per square kilometre -69.4%
2017 22.45 kg per square kilometre +53.8%
2018 29.74 kg per square kilometre +32.5%
2019 30.87 kg per square kilometre +3.8%
2020 35.92 kg per square kilometre +16.4%
2021 31.99 kg per square kilometre -10.9%
2022 33.11 kg per square kilometre +3.5%
2023 33.67 kg per square kilometre +1.7%

Sao Tome and Principe compared with similar countries

  • Sao Tome and Principe's 33.67 kg per square kilometre is above the median for lower middle income countries, which is 19.58 kg per square kilometre, 1.7× the median. (40 countries reporting)
  • Sao Tome and Principe's 33.67 kg per square kilometre is above the median for Sub-Saharan Africa, which is 9.25 kg per square kilometre, 3.6× the median. (44 countries reporting)

Biggest year-on-year movements

Years where Chickens, layers: Amount excreted in manure (N content) … square in Sao Tome and Principe changed far more than this series normally does. A large move can be a real event or a change in how the figure was measured — the source note below says who published it.

YearChange FromTo
2016 -69.4% 47.7 kg per square kilometre 14.59 kg per square kilometre
2017 +53.8% 14.59 kg per square kilometre 22.45 kg per square kilometre
2014 -32.8% 70.15 kg per square kilometre 47.14 kg per square kilometre
2018 +32.5% 22.45 kg per square kilometre 29.74 kg per square kilometre

Averages by decade

DecadeAverage LowestHighest Years
1960s 12.35 kg per square kilometre 10.1 kg per square kilometre 14.59 kg per square kilometre 9
1970s 17.68 kg per square kilometre 15.15 kg per square kilometre 20.2 kg per square kilometre 10
1980s 23.06 kg per square kilometre 20.76 kg per square kilometre 25.25 kg per square kilometre 10
1990s 35.41 kg per square kilometre 28.06 kg per square kilometre 43.77 kg per square kilometre 10
2000s 54.83 kg per square kilometre 45.46 kg per square kilometre 67.9 kg per square kilometre 10
2010s 46.97 kg per square kilometre 14.59 kg per square kilometre 70.15 kg per square kilometre 10
2020s 33.67 kg per square kilometre 31.99 kg per square kilometre 35.92 kg per square kilometre 4

Countries ranked near Sao Tome and Principe

  1. 78 United Arab Emirates 35.8 kg per square kilometre compare
  2. 79 Costa Rica 35 kg per square kilometre compare
  3. 80 Latvia 34.31 kg per square kilometre compare
  4. 82 Bulgaria 32.81 kg per square kilometre compare
  5. 83 Czechia 32.73 kg per square kilometre compare
  6. 84 North Macedonia 32.44 kg per square kilometre compare

See the full ranking of 170 places →

More environment data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is chickens, layers — amount excreted in manure (n content), per square in Sao Tome and Principe?
Chickens, layers — amount excreted in manure (n content), per square in Sao Tome and Principe was 33.67 kg per square kilometre in 2023, according to Statizoid (derived).
What is the highest chickens, layers — amount excreted in manure (n content), per square recorded in Sao Tome and Principe?
The highest recorded value was 70.15 kg per square kilometre in 2013.
What is the lowest chickens, layers — amount excreted in manure (n content), per square recorded in Sao Tome and Principe?
The lowest recorded value was 10.1 kg per square kilometre in 1961.
How does Sao Tome and Principe rank for chickens, layers — amount excreted in manure (n content), per square?
Sao Tome and Principe ranks 81st out of 168 countries with data for 2023.
Is chickens, layers — amount excreted in manure (n content), per square rising or falling in Sao Tome and Principe?
Over the last ten years it is down 52.0%. The long-run trend across the full record is volatile.
Where does this Sao Tome and Principe data come from?
The figures come from Statizoid (derived), published as part of Chickens, layers — Amount excreted in manure (N content), per square kilometre. Statizoid updates them automatically from the source API.

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Chickens, layers — Amount excreted in manure (N content), per square in Sao Tome and Principe. Statizoid, drawing on Statizoid (derived). Retrieved 11 October 2026, from https://environment.statizoid.com/stat/chickens-layers-amount-excreted-in-manure-n-content-per-square-kilometre/sao-tome-and-principe/

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<a href="https://environment.statizoid.com/stat/chickens-layers-amount-excreted-in-manure-n-content-per-square-kilometre/sao-tome-and-principe/">Chickens, layers — Amount excreted in manure (N content), per square in Sao Tome and Principe</a> — Statizoid

How this figure is calculated

Chickens, layers — Amount excreted in manure (N content) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.

Chickens, layers — Amount excreted in manure (N content) ÷ Land area (sq. km)

Computed from

Statizoid computes this series; the underlying measurements belong to the publishers named above. The arithmetic is applied to every country and year where both inputs report, and nothing is estimated unless the page says so.

About this data

Indicator
Chickens, layers — Amount excreted in manure (N content), per square kilometre
Unit
kg per square kilometre
Source
Statizoid (derived)
Licence
Derived by Statizoid from the sources named on the page
Coverage
170 places, 9,696 data points, 1961–2023
Last refreshed

Chickens, layers — Amount excreted in manure (N content) divided by Land area (sq. km), matched on country and year. Neither publisher issues this ratio as a series; it is computed here from both.